Jazzamatazz — ORC Rating

GPH

575.1

OSN

558.5

LOA

12.19 m

Displacement

6854 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7876

Medium

1.0739

High

1.2311

Triple Offshore

Low

1.0219

Medium

1.3266

High

1.4897

Boat Specifications

Dimensions

Length overall: 12.19 m
Beam: 3.64 m
Draft: 2.37 m
Displacement: 6854 kg
Crew weight: 760 kg
Wetted surface: 31.92 m²

Sails

Mainsail: 48.46 m²
Genoa: 39.25 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 149.45 m²

Design

Type: j 122
Builder: J Composites
Designer: Rod Johnstone
Year built: 2006

Velocity Prediction

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.

6,42.8,4.933696,52,5.54,60,5.88,75,6.18,90,6.25,110,6.31,120,6.13,135,5.48,143.5,4.97601,150,4.62
8,41.6,5.897314,52,6.66,60,7.01,75,7.26,90,7.48,110,7.53,120,7.4,135,6.8,146.8,5.987349,150,5.79
10,40.9,6.720879,52,7.42,60,7.63,75,7.78,90,7.87,110,8.12,120,8,135,7.65,148.4,6.962325,150,6.85
12,38.8,7.044441,52,7.76,60,7.95,75,8.14,90,8.14,110,8.5,120,8.52,135,8.14,150,7.58,150.6,7.541203
14,37.6,7.156474,52,7.9,60,8.13,75,8.45,90,8.49,110,8.78,120,9.06,135,8.64,150,7.94,152.3,7.815733
16,37,7.224823,52,7.98,60,8.23,75,8.69,90,8.88,110,9.05,120,9.41,135,9.22,150,8.3,175.7,7.461002
20,36.2,7.336172,52,8.09,60,8.33,75,8.88,90,9.5,110,9.64,120,10.05,135,10.73,150,9.27,177.5,8.227831

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.54	5.88	6.18	6.25	6.31	6.13	5.48	4.62
8	6.66	7.01	7.26	7.48	7.53	7.4	6.8	5.79
10	7.42	7.63	7.78	7.87	8.12	8	7.65	6.85
12	7.76	7.95	8.14	8.14	8.5	8.52	8.14	7.58
14	7.9	8.13	8.45	8.49	8.78	9.06	8.64	7.94
16	7.98	8.23	8.69	8.88	9.05	9.41	9.22	8.3
20	8.09	8.33	8.88	9.5	9.64	10.05	10.73	9.27

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.62	143.5°	4
8	41.6°	4.41	146.8°	5.01
10	40.9°	5.08	148.4°	5.93
12	38.8°	5.49	150.6°	6.57
14	37.6°	5.67	152.3°	6.92
16	37°	5.77	175.7°	7.44
20	36.2°	5.92	177.5°	8.22

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